Home / 345,526.43-518,315.89-117,751.26

Finding the Fourth Proportional to 345,526.43, 518,315.89 and 117,751.26

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Solution

The fourth proportional to 345,526.43, 518,315.89 and 117,751.26 is: 176,635.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,526.43 : 518,315.89 = 117,751.26 : x
  2. Step 2: Convert to fraction form
    345,526.43/518,315.89 = 117,751.26/x
  3. Step 3: Cross multiply
    345,526.43x = 518,315.89 × 117,751.26
  4. Step 4: Simplify right side
    345,526.43x = 61,032,348,536.77
  5. Step 5: Solve for x
    x = 61,032,348,536.77/345,526.43
  6. Step 6: Final answer
    x = 176,635.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.